<div class="header">
	<a class="more_exam" id="changeAppBtn" href="/switchMenu">
        <img src="/images/menu.png"  />
    </a>
    <div class="header-title"  id="appCName"></div>
    <div class="buySoftBtn" id="buySoftBtn">
        <a href="javascript:;"><img src="/images/pay.png"  /></a>
    </div>
</div>